US3210053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerator structure
Assignee: Individual
•
Filing: 1964-08-04
•
Granted: 1965-10-05
•
Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Carl F Boester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:39
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1236; C02F3/1242; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/2331; B01F23/23314; C02F3/20; C02F3/205; C02F3/30; C02F3/301; B01F23/23311; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
155 words
APPARATUS FOR TREATING WASTE LIQUID AEROBICALLY AND ANAEROBICALLY COMPRISING A TANK HAVING A CLOSED BOTTOM AND UPRIGHT SIDES, A SMALLER COMPARTMENT WITHIN THE TANK HAVING UPRIGHT SIDES SPACED FROM UPRIGHT SIDES OF THE TANK AND HAVING AN OPEN LOWER END SPACED SUBSTANTIALLY ABOVE THE BOTTOM OF THE TANK, AN INLET CONDUIT LEADING FROM THE EXTERIOR OF THE TANK TO THE INTERIOR OF THE COMPARTMENT, AN OUTLET PIPE LEADING FROM THE UPPER PORTION OF THE TANK, MEANS FOR AGITATING AND AERATING THE CONTENTS OF THE COMPARTMENT BEFORE THEY PASS FROMTHE COMPARTMETN THROUGH THE OPEN LOWER END THEREOF, AND A BAG-LIKE MEMBER OF THE FILTER MATERIAL SUSPENDED FROM THE UPPER PORTION OF THE TANK AND SURROUNDING SAID COMPARTMENT AND SPACED FROMTHE SIDE AND BOTTOM OF THE TANK AND RECEIVING THE DISCHARGE FROM THE COMPARTMENT AND FORMING A FLOW-IMPEDING SCREEN BETWEEN THE COMPARTMENT AND SAID OUTLET PIPE TO PREVENT TURBULENCE IN THE FLOW OF LIQUID IN THE TANK.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |